英语作文：The colour of the sky（天空的颜色） once upon a time, the sky hadn’t colourful colours, it was black. the god wanted to make the sky blue. so he went to the place beside the rainbow, and tried to take the colour blue from the rainbow. the raibow fairy came out and said: “ no, you can’t take away the colour blue, only the son of the sun adam can. ” so the god went to find adam. he’s not easy to found! one year later, he found adam, and asked he to take the blue from the rainbow. adam went to the place beside the rainbow too. he wanted to take the colour blue. but the rainbow fairy came out and said: “you can’ t take it now. you need to guess my riddle first. if you guess right, you can take any colour you want. but if you guess wrong, you must jump from the highest mountain. ” “ ok. ”adam replied. the riddle is: in the morning, it uses 4 legs to walk; in the noon, it uses 2 legs to walk; in the evening, it uses 3 legs to walk. ( guess an animal ) “ oh, that’s easy, it’s us human. ” adam answered. “ gee! you’re very clever! take the colour you want. ” but adam was a naughty boy. he took a lot of blue, and take a little other colours, then brought them to the god. the god put the colours into the sky. that’s why the sky isn’t always blue. 本文来源：https://www.wddqw.com/doc/6e3394715a0102020740be1e650e52ea5418ce15.html